Oh. Turns out my urge to exercise caution last week was completely unnecessary. Oddworld Inhabitants boss Lorne Lanning has confirmed that, yes, a new Oddworld game is in development, and yes, Jeff Braun is working on it. Lanning had nothing else to add, not even a working title, so your imagination's going to need to fill in the gaps on its own.
Lanning confirms new Oddworld title [Gamesindustry.biz]